Bids Are Invited For Hiring Company For Future And Possible Acquisition Of Chemical Products For Use In Water Treatment From The Distribution Network Of The Municipality Of Carmésia/Mg

Sodium Carbonate (Light Barrel) Physical-Chemical Characteristics: White Powder, Dry, Odorless, Tasteless, Specific Weight 400/500 G/L. Granulometry: Retained Mesh 18.0 Max 10, Moisture: Max 1, Loss On Fire At 300 Degrees: Max 1.0. Chemical Characteristics: Na2co3 Min 98, Nacl Max 0.5, Naso4 Max 0.07, Fe2o3 Max 0, Insoluble Max. 0.05. Maximum Limits Per Toxic Element In Mg/Kg: As 40, Cd 4, Pb 40, Cr 40, Hg 0.8, Ag 40 And Se 8, With A Sum Not Exceeding 150 Mg/Kg., Ferric Chloride Physico-Chemical Characteristics: Total Iron Soluble In Water Expressed As Fecl3 Min 38.0, Bivalent Iron Expressed As Fe2/Total Soluble Iron As Fecl3 Max 2, Water Insoluble Residue Max 0.2 W/W And Free Acidity As Hci Max 1.0 W/W. Maximum Limits Per Toxic Element In Mg/L: As 30, Cd 6, Pb 30, Cr 30, 6, Ag 30 And Se 6, With The Sum Not Exceeding 125Mg/L Analyzed According To Standard Methods 19 Edition., Calcium Hypochlorite Physical Chemical Characteristics: White Granulated Solid, Packaging Resistant To Aggressiveness Product. Operational Parameters: Concentration: By Mass (Active Chlorine) Minimum 65. Water Insoluble Residue: By Mass, Maximum 5. Granulometry: Sieve Number 10 (Open 2 Mm) By Mass Retained Max 0, Sieve Number 100 (Opening 0, 149 Mm) Abnt Minimum 96.5. Toxic Elements: Maximum Limit Per Element In Mg/Kg, As 40, Ag 40, Se 8, 0. Sum Of Maximum Toxic Elements 0, 02 P/P. Note: Analysis Methodologies And Other Product Specifications Are Contained In Nbr 11887. Un Number: 1748., 02/23/2026 - 09:08:28